Nanocomposite solar cells based on conjugated polymer/ PbSe quantum dot

Xiaomei Jiang, Sergey B. Lee, Igor B. Altfeder, Anvar A. Zakhidov, Richard D Schaller, Jeff M. Pietryga, Victor I Klimov

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

We report a novel type of nanocomposite of conjugated polymer (regio-regular polythiophene) with infrared-sensitive, PbSe quantum dots (QD), which have size-tunable lowest-energy absorption bands between 0.3 and 1 eV. Thin film devices show very good diode characteristics and sizable photovoltaic response with an open circuit voltage, Voc, of ∼ 0.3-0.4 V and short circuit current density, J sc, of ∼ 0.2mA/cm 2, which is significantly higher than recently reported in PbS QD-based devices. This is the evidence of a quite efficient photoinduced charge transfer between the polymer and QD, with infrared sensitivity. Photocurrent under reverse bias is significantly enhanced to J ph ∼ 1 mA/cm 2 indicating that the polythiophene/PbSe QD system can be used as effective infrared photodetectors. Detailed spectroscopic studies of photoresponse over a wide spectral range are presented. Quenching of photoluminescence by PbSe QDs has also been studied to gain more understanding of energy and charge transfer in this system.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsZ.H Kafafi, P.A. Lane
Pages1-9
Number of pages9
Volume5938
DOIs
Publication statusPublished - 2005
EventOrganic Photovoltaics VI - San Diego, CA, United States
Duration: Aug 2 2005Aug 4 2005

Other

OtherOrganic Photovoltaics VI
CountryUnited States
CitySan Diego, CA
Period8/2/058/4/05

Fingerprint

Conjugated polymers
Semiconductor quantum dots
Nanocomposites
Solar cells
nanocomposites
solar cells
quantum dots
polymers
Infrared radiation
Charge transfer
Polymers
charge transfer
Thin film devices
energy absorption
Energy absorption
Open circuit voltage
short circuit currents
Photodetectors
open circuit voltage
Photocurrents

Keywords

  • Conjugated polymer
  • Plastic solar cell
  • Polythiophene
  • Quantum dot
  • Semiconductor nanocrystals

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Jiang, X., Lee, S. B., Altfeder, I. B., Zakhidov, A. A., Schaller, R. D., Pietryga, J. M., & Klimov, V. I. (2005). Nanocomposite solar cells based on conjugated polymer/ PbSe quantum dot. In Z. H. Kafafi, & P. A. Lane (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 5938, pp. 1-9). [59381F] https://doi.org/10.1117/12.619361

Nanocomposite solar cells based on conjugated polymer/ PbSe quantum dot. / Jiang, Xiaomei; Lee, Sergey B.; Altfeder, Igor B.; Zakhidov, Anvar A.; Schaller, Richard D; Pietryga, Jeff M.; Klimov, Victor I.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / Z.H Kafafi; P.A. Lane. Vol. 5938 2005. p. 1-9 59381F.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Jiang, X, Lee, SB, Altfeder, IB, Zakhidov, AA, Schaller, RD, Pietryga, JM & Klimov, VI 2005, Nanocomposite solar cells based on conjugated polymer/ PbSe quantum dot. in ZH Kafafi & PA Lane (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 5938, 59381F, pp. 1-9, Organic Photovoltaics VI, San Diego, CA, United States, 8/2/05. https://doi.org/10.1117/12.619361
Jiang X, Lee SB, Altfeder IB, Zakhidov AA, Schaller RD, Pietryga JM et al. Nanocomposite solar cells based on conjugated polymer/ PbSe quantum dot. In Kafafi ZH, Lane PA, editors, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 5938. 2005. p. 1-9. 59381F https://doi.org/10.1117/12.619361
Jiang, Xiaomei ; Lee, Sergey B. ; Altfeder, Igor B. ; Zakhidov, Anvar A. ; Schaller, Richard D ; Pietryga, Jeff M. ; Klimov, Victor I. / Nanocomposite solar cells based on conjugated polymer/ PbSe quantum dot. Proceedings of SPIE - The International Society for Optical Engineering. editor / Z.H Kafafi ; P.A. Lane. Vol. 5938 2005. pp. 1-9
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